<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品分类</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
            <!-- 搜索栏 -->
            <!-- 双向绑定实现搜索 -->
          <el-input placeholder="请输入内容" v-model="queryIofo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
            <!-- 添加栏 -->
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table 区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
            <template slot-scope="scope"> 
                {{scope.row.add_time | deteFormat}}
            </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
                <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
       <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryIofo.pagenum"
      :page-sizes="[5, 10, 20, 30]"
      :page-size="queryIofo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryIofo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      //商品列表
      goodsList: [],
      //  总数据条数，实现分页
      total: 0,
      
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //根据分页获取商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryIofo,
      })
      if (res.meta.status != 200) return this.$message.error('获取列表失败!')
      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
     //监听 pagesize 改变
    handleSizeChange(newSize){
     this.queryIofo.pagesize=newSize
     this.getGoodsList()
    },
    //监听 pagenum 改变
    handleCurrentChange(newPage){
        this.queryIofo.pagenum=newPage
        this.getGoodsList()
    },
    //删除商品
    async removeById(id){
       const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除！')
        }
        const {data:res}=await this.$http.delete(`goods/${id}`)
        if(res.meta.status != 200)return this.$message.error('删除失败！')
        this.$message.success('删除成功！')
        this.getGoodsList()
    },
    goAddpage(){
        this.$router.push('/goods/add')
    }
  },
}
</script>

<style lang="less" scoped>
</style>